JP7191116B2 - 多孔質シリコン量子ドット放射線検出器におけるピクセル定義 - Google Patents
多孔質シリコン量子ドット放射線検出器におけるピクセル定義 Download PDFInfo
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- JP7191116B2 JP7191116B2 JP2020551983A JP2020551983A JP7191116B2 JP 7191116 B2 JP7191116 B2 JP 7191116B2 JP 2020551983 A JP2020551983 A JP 2020551983A JP 2020551983 A JP2020551983 A JP 2020551983A JP 7191116 B2 JP7191116 B2 JP 7191116B2
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- 229910052751 metal Inorganic materials 0.000 claims description 34
- 239000002184 metal Substances 0.000 claims description 34
- 238000003384 imaging method Methods 0.000 claims description 26
- 239000011148 porous material Substances 0.000 claims description 21
- 239000000758 substrate Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 17
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 16
- 229910052710 silicon Inorganic materials 0.000 claims description 16
- 239000010703 silicon Substances 0.000 claims description 16
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- 238000004891 communication Methods 0.000 claims description 3
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- 238000001228 spectrum Methods 0.000 description 3
- MARUHZGHZWCEQU-UHFFFAOYSA-N 5-phenyl-2h-tetrazole Chemical compound C1=CC=CC=C1C1=NNN=N1 MARUHZGHZWCEQU-UHFFFAOYSA-N 0.000 description 2
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- 238000000231 atomic layer deposition Methods 0.000 description 2
- QWUZMTJBRUASOW-UHFFFAOYSA-N cadmium tellanylidenezinc Chemical compound [Zn].[Cd].[Te] QWUZMTJBRUASOW-UHFFFAOYSA-N 0.000 description 2
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- 239000002904 solvent Substances 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
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- XCAUINMIESBTBL-UHFFFAOYSA-N lead(ii) sulfide Chemical compound [Pb]=S XCAUINMIESBTBL-UHFFFAOYSA-N 0.000 description 1
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14643—Photodiode arrays; MOS imagers
- H01L27/14658—X-ray, gamma-ray or corpuscular radiation imagers
- H01L27/14659—Direct radiation imagers structures
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/1603—Measuring radiation intensity with a combination of at least two different types of detector
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/24—Measuring radiation intensity with semiconductor detectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/24—Measuring radiation intensity with semiconductor detectors
- G01T1/241—Electrode arrangements, e.g. continuous or parallel strips or the like
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/0248—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies
- H01L31/0256—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies characterised by the material
- H01L31/0264—Inorganic materials
- H01L31/028—Inorganic materials including, apart from doping material or other impurities, only elements of Group IV of the Periodic Table
- H01L31/0284—Inorganic materials including, apart from doping material or other impurities, only elements of Group IV of the Periodic Table comprising porous silicon as part of the active layer(s)
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/0248—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies
- H01L31/0352—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies characterised by their shape or by the shapes, relative sizes or disposition of the semiconductor regions
- H01L31/035209—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies characterised by their shape or by the shapes, relative sizes or disposition of the semiconductor regions comprising a quantum structures
- H01L31/035218—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies characterised by their shape or by the shapes, relative sizes or disposition of the semiconductor regions comprising a quantum structures the quantum structure being quantum dots
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Description
Claims (15)
- 第1の側面、
前記第1の側面の反対側のコンタクト側面、
前記第1の側面から前記コンタクト側面まで延在するシリコンカラム、及び
前記シリコンカラムとインタレースされ、前記第1の側面から前記コンタクト側面まで延在するカラム状の孔
を備える、多孔質シリコン膜と、
前記カラム状の孔内の量子ドットと、
前記多孔質シリコン膜の前記シリコンカラムに電気的に結合された金属パッドであって、前記カラム状の孔内の前記量子ドットは、前記金属パッドから電気的に絶縁される、金属パッドと、
前記金属パッドと電気的に連通する導電性パッドを含む基板と
を備える、撮像システムの撮像モジュール。 - ピクセルを更に備え、前記金属パッドは表面エリアを有し、前記金属パッドの前記表面エリアと電気的に連通する前記シリコンカラムのセットは、前記ピクセルのサイズを定義する、請求項1に記載の撮像モジュール。
- 前記多孔質シリコン膜と前記金属パッドとの間に配設された導電性接続部を更に備える、請求項1又は2に記載の撮像モジュール。
- 前記カラム状の孔内の前記量子ドットは、前記導電性接続部から電気的に絶縁される、請求項3に記載の撮像モジュール。
- 前記カラム状の孔は、前記量子ドットと前記金属パッドとの間の凹部を含む、請求項1から4のいずれか一項に記載の撮像モジュール。
- 前記凹部は空である、請求項5に記載の撮像モジュール。
- 前記凹部は電気的絶縁材料を含む、請求項5に記載の撮像モジュール。
- 前記多孔質シリコン膜は、前記第1の側面から前記基板に延びる少なくとも1つのシリコンカラムを含む、請求項1から7のいずれか一項に記載の撮像モジュール。
- 少なくとも第2のカラム状の孔を有する第2の多孔質シリコン膜を更に備え、前記第2の多孔質シリコン膜は、前記多孔質シリコン膜と前記金属パッドとの間に配設される、請求項1から3のいずれか一項に記載の撮像モジュール。
- 前記多孔質シリコン膜は、前記第1の側面上の量子ドットの層と、前記量子ドットの層の上に配設された上面コンタクトとを更に備える、請求項1に記載の撮像モジュール。
- X線放射を放出する放射源と、
前記X線放射を検出し、前記X線放射を示す電気信号を生成する検出器アレイであって、請求項1から10のいずれか一項に記載の撮像モジュールを複数含む、前記検出器アレイと、
前記電気信号を処理し、体積画像データを再構成するリコンストラクタと
を備える、コンピュータ断層撮影撮像システム。 - シリコンカラム及びシリコンを通るカラム状の孔を有する少なくとも1つの多孔質シリコン膜を取得するステップと、
前記カラム状の孔に量子ドットを充填するステップと、
前記多孔質シリコン膜のコンタクト側面上に前記量子ドットのための絶縁体を作製するステップと、
前記シリコンカラムのみを基板に電気的に結合するステップであって、前記量子ドットは前記絶縁体を通じて前記基板から電気的に絶縁される、ステップと
を有する、方法。 - 前記絶縁体は空気である、請求項12に記載の方法。
- 前記絶縁体は絶縁材料である、請求項12に記載の方法。
- 前記絶縁体は別の多孔質シリコン膜である、請求項12に記載の方法。
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US201862649615P | 2018-03-29 | 2018-03-29 | |
US62/649,615 | 2018-03-29 | ||
PCT/EP2019/057921 WO2019185831A1 (en) | 2018-03-29 | 2019-03-28 | Pixel definition in a porous silicon quantum dot radiation detector |
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JP2021519427A JP2021519427A (ja) | 2021-08-10 |
JPWO2019185831A5 JPWO2019185831A5 (ja) | 2022-04-01 |
JP7191116B2 true JP7191116B2 (ja) | 2022-12-16 |
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US (1) | US11348964B2 (ja) |
EP (1) | EP3776006A1 (ja) |
JP (1) | JP7191116B2 (ja) |
WO (1) | WO2019185831A1 (ja) |
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2019
- 2019-03-28 WO PCT/EP2019/057921 patent/WO2019185831A1/en active Application Filing
- 2019-03-28 US US17/041,745 patent/US11348964B2/en active Active
- 2019-03-28 JP JP2020551983A patent/JP7191116B2/ja active Active
- 2019-03-28 EP EP19711492.9A patent/EP3776006A1/en active Pending
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US20210126037A1 (en) | 2021-04-29 |
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JP2021519427A (ja) | 2021-08-10 |
WO2019185831A1 (en) | 2019-10-03 |
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